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7005241: C1: SEGV in java.util.concurrent.LinkedTransferQueue.xfer() with compressed oops Summary: Implementation of the CAS primitive for x64 compressed oops was incorrect. It kills rscratch2 register (r11), which is allocatable in C1. Also, we don't need to restore cmpval as it's never used after that, so we need only one temporary register, which can be scratch1. Reviewed-by: kvn, never
author iveresov
date Wed, 08 Dec 2010 02:36:36 -0800
parents a294fd0c4b38
children
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os_family = linux

arch = x86

arch_model = x86_64

os_arch = linux_x86

os_arch_model = linux_x86_64

lib_arch = amd64

compiler = sparcWorks

gnu_dis_arch = amd64

sysdefs = -DLINUX -DSPARC_WORKS -D_GNU_SOURCE -DAMD64